shmop_size
(PHP 4 >= 4.0.4, PHP 5)
shmop_size — Get size of shared memory block
说明
int shmop_size ( int $shmid )shmop_size() is used to get the size, in bytes of the shared memory block.
参数
- shmid
-
The shared memory block identifier created by shmop_open()
返回值
Returns an int, which represents the number of bytes the shared memory block occupies.
范例
Example #1 Getting the size of the shared memory block
<?php
$shm_size = shmop_size($shm_id);
?>
This example will put the size of shared memory block identified by $shm_id into $shm_size.
